1. Tardigrade
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  3. Chemistry
  4. The oxidation numbers of hydrogen in K H , MgH 2 and NaH are respectively

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Q. The oxidation numbers of hydrogen in $K H ,\, MgH _{2}$ and $NaH$ are respectively

AIIMSAIIMS 1998Redox Reactions

Solution:

Hydrogen is present as hydride ion in these molecules i.e. Oxidation state is - 1.